1280103460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1\times {\mathrm{2671}}^1$

素因数の和:3484

約数の個数: 48

約数和(自身を含む): 2779564032

約数和(自身を除く): 1499460572

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 773, 1546, 2671, 3092, 3865, 5342, 7730, 10684, 13355, 15460, 23963, 26710, 47926, 53420, 82801, 95852, 119815, 165602, 239630, 331204, 414005, 479260, 828010, 1656020, 2064683, 4129366, 8258732, 10323415, 20646830, 41293660, 64005173, 128010346, 256020692, 320025865, 640051730, 1280103460]

約数ペア:

[(1, 1280103460), (2, 640051730), (4, 320025865), (5, 256020692), (10, 128010346), (20, 64005173), (31, 41293660), (62, 20646830), (124, 10323415), (155, 8258732), (310, 4129366), (620, 2064683), (773, 1656020), (1546, 828010), (2671, 479260), (3092, 414005), (3865, 331204), (5342, 239630), (7730, 165602), (10684, 119815), (13355, 95852), (15460, 82801), (23963, 53420), (26710, 47926)]